| abstract |
(57) [Abstract] [Purpose] To provide an electrophotographic organic photoreceptor having excellent sensitivity and repeated stability, and as a result, capable of stably forming a clear image having a high density and free of background fog for a long period of time. To do. A specific bisazo pigment having a bis (1,4-diphenyl) pyrazole skeleton as a charge generating agent and a specific N, N, N ′, N′-tetrakis (aryl) phenylenealkylidenephenylenediamine as a charge transporting agent are used. Used in combination. |